<div class="nav_container" id="nav_container">

</div>
<style>
    .nav_container{
        width: 100%;
        height: 46px;
        border-top: 1px solid #ddd;
    }
    .nav_pos_bottom{
        position: fixed;
        bottom: 0px;
    }
    .nav_container_p_img{
        width: 22px;
        height: 22px;
        margin: 2px auto;
    }
    .nav_container_p_title{
        height: 15px;
        text-align: center;
        line-height: 15px;
        font-size: 13px;
    }
</style>
<script>

</script>

